Home / 7,835.58-11,753.40-1,992.16

Finding the Fourth Proportional to 7,835.58, 11,753.40 and 1,992.16

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Solution

The fourth proportional to 7,835.58, 11,753.40 and 1,992.16 is: 2,988.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.58 : 11,753.40 = 1,992.16 : x
  2. Step 2: Convert to fraction form
    7,835.58/11,753.40 = 1,992.16/x
  3. Step 3: Cross multiply
    7,835.58x = 11,753.40 × 1,992.16
  4. Step 4: Simplify right side
    7,835.58x = 23,414,653.34
  5. Step 5: Solve for x
    x = 23,414,653.34/7,835.58
  6. Step 6: Final answer
    x = 2,988.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.